Home / 38,631.90-57,935.56-19,909.56

Finding the Fourth Proportional to 38,631.90, 57,935.56 and 19,909.56

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Solution

The fourth proportional to 38,631.90, 57,935.56 and 19,909.56 is: 29,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631.90 : 57,935.56 = 19,909.56 : x
  2. Step 2: Convert to fraction form
    38,631.90/57,935.56 = 19,909.56/x
  3. Step 3: Cross multiply
    38,631.90x = 57,935.56 × 19,909.56
  4. Step 4: Simplify right side
    38,631.90x = 1,153,471,507.95
  5. Step 5: Solve for x
    x = 1,153,471,507.95/38,631.90
  6. Step 6: Final answer
    x = 29,858.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.